
FILE NO.
Service Manual
CD Portable Radio
Cassette Recorder
MCD-ZX570M (XE)
CONTENTS
Laser beam safety precaution .......................................... 1
IC Block Diagram & Description ....................................... 1,9
Tuner Adjustments ........................................................... 2
Wiring Connection ........................................................... 3
Exploded View (Cabinet & Chassis) ................................ 4
Parts List .......................................................................... 6
Schematic Diagram .......................................................... 10
Wiring Diagram ............................................................... 16
Block Diagram .................................................................. 19
PRODUCT CODE No.
164 136 00
REFERENCE No. SM5810656

LASER BEAM SAFETY PRECAUTION
• Pickup that emits a laser beam is used on this CD section.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS OR
PERFORMANCE OF PROCEDURES OTHER
THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.
LASER OUTPUT................ 0.6 mW Max. (CW)
WAVE LENGTH ................. 790 nm
CAUTION-INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.
ADVARSEL-USYNLIG LASER STRÅLING VED ÅBNING, NÅR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ
UDS ÆTTELSE FOR STRÅLING.
VARNING-OSYNLIG LASER STRÅLNING NÄR DENNA DEL
ÄR ÖPPNAD OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄR
FARLIG.
VORSICHT! -UNSICHTBARE LASERSTRAHLUNG TRITT
AUS, WENN DECKEL GEÖ FFNET UND ENN
SICHERHEITSVERRIEGELUNG ÜBERBRÜCKT IST. NICHT,
DEM STRAHL AUSSETZEN.
VARO !- AVATTAESSA JA SUOJALUKITUS OHITETTAESSA
OLET ALTTIINA NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE.
ÄlÄ KATSO SÄTEESEEN.
IC BLOCK DIAGRAM & DESCRIPTION
IC201 BA3308 (Pre-Amp.) IC301 LA4227 (Power Amp.)
CLASS 1 LASER PRODUCT
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT
MUTE
ch1 ch2
ALC
1
NF 1 INPUT 1 OUTPUT 1 GND ALC Vcc OUTPUT 2 INPUT 2 NF 2
23456789
IC401 TC4052(Defferential 4-Channel Multiplexer)
V
DD
16
VCC
STANDBY
1
STANDBY
SW
OUT1
SHUT DOWN
PROTECTION
2
OUT2
BS1
THERMAL
BS2 NF2
OUT c IN
NF1
101112
9
IN1
PRE GND
78
-
+
Ch1
BIAS
+
Ch2
-
3
4
CIRCUIT
5
IN2 DC
6
(FILTER)
13 X-COMMON
0X
12
INH
1X
10
OUT c IN
OUT c IN
A
9
B
LOGIC LEVEL CONVERTER
6
OUT c IN
OUT c IN
OUT c IN
OUT c IN
OUT c IN
14
2X
15
3X
11
0Y
1
1Y
5
2Y
2
3Y
4
3
Y-COMMON
87
SS
V
V
EE
- 1 -

TUNER ADJUSTMENTS
Use a plastic screw driver for adjustments.
Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter.
Set of unit
Supply voltage
speaker impedance
standard output
Function switch
DC 12.0V
:
8 ohms
:
50 mW
:
RADIO
:
a. Parts Location
a.AM Adjustment
Step
Adjusting
Circuit
IF1
2 Connect AM SG to Connect VTVM to 520 KHz Low end T101 Max.
3 test loop speaker terminals. 1650 KHz High end C3
4 Connect AM SG to Connect VTVM to 600 KHz 600 KHz MW ANT COIL Max.
5 test loop speaker terminals. 1400 KHz 1400 KHz C4
Tuning
coverage
Tracking
Input Output Frequency Tuning dial Oscilloscope
Closed the output Connect sweep
termial by sweep generator to 465 KHz Low T103
generator,it place IC101(18) PIN(A)
to MW ANT
b.FM Adjustment
Step
Adjusting Connection
Circuit
1IF
2 Connect FM SG to Connect VTVM to 87.5 MHz Low end L102 Max.
3 FM.ANT & D101(-) speaker terminals. 108.3 MHz High end C1
4 Connect FM SG to Connect VTVM to 90.0 MHz 90.0 MHz L101 Max.
5 FM.ANT & D101(-) speaker terminals. 106.0 MHz 106.0 MHz C2
Tuning
coverage
Tracking
Input Output Frequency Tuning dial Oscilloscope
Connect sweep
generator to
IC101(24)pin (B)
Band switch:MW
Connections
SG Position of VTVM
Adjustment
Band switch:FM FM Dummy antenna: 75 ohms unbalance
Connect VTVM to
generator to IC101
(18) pin (A)
SG Position of VTVM
10.7 MHz Low T102 T104
Adjustment
- 2 -

PARTS LISTPARTS LIST
PRODUCT SAFETY NOTICE
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH
!!
!
THE IEC SYMBOL
CAN OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , USE ONLY THE REPLACEMENT
PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE
DESIGNATED IN THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST
BE MADE TO DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE
RETURNING THE PRODUCT TO THE CUSTOMER.
CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
!!
!
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
1A 645 073 7848 ASSY CASS DOOR
2A 645 073 7855 ASSY TOP CABINET
2 645 062 0478 CASS DOOR SPRING
4 645 073 8838 FLODER KNOB
5 645 073 8623 CABINET FRONT
6 645 033 0414 CASS LID GEAR HOLDER,
7 645 042 0924 SPK CLIP,FOR SPEAKER
8 645 073 8814 DISPLAY BRACKET PLATE
9 645 063 0996 KNOB CASS PAUSE
10 645 063 1009 KNOB CASS STOP/EJECT
11 645 063 1016 KNOB CASS FFWD
12 645 063 1023 KNOB CASS REWIND
13 645 063 1030 KNOB CASS PLAY
14 645 063 1047 KNOB CASS RECORD
15 645 073 8616 RECORDING BRACKET
16 645 033 3446 RUBBER SILICON,FOR CD DECK
17 645 042 0375 CD MECHA COVER
18 645 062 0249 TUNING DRUM
19 645 062 0256 TUNING KNOB GEAR
20 645 073 8708 KNOB BAND
21 645 062 0270 POINTER BKT
22 645 062 0140 DIAL POINTER
23 645 062 0294 CD DOOR LOCK
24 645 033 0407 CD LID GEAR
25 645 062 0348 DIAL LENS
26 645 073 8678 KNOB TUNING,ROTARY
28 645 073 8685 KNOB BASS
29 645 073 8715 KNOB FUNCTION
30 645 073 8845 LCD BACKLIGHT
31 645 073 8821 LCD BRACKET
36 645 073 8692 KNOB VOLUME,ROTARY
37 645 073 8739 KNOB CD DOOR
38 645 042 0351 CD DOOR SPRING
39 645 033 3996 CD CHUCK M
40 645 033 3972 CD MAGNET RING
41 645 068 0861 CD DOOR BRACKET
42 645 033 3989 CD CHUCK A
43 645 062 0379 CD DOOR LENS
44 645 073 8661 HANDLE
45 645 033 0391 AC SKT COVER
46 645 073 8630 CABINET BACK
47 645 033 1565 BATT SPRING
48 645 033 0926 BATT SPRING(+)
IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY
Regular type resistors are less than 1/4W carbon type and 0 ohm chip resistors.
Regular type capacitors are less than 50V and less than 1000µF of Ceramic type and Electrolytic type.
REF.NO. PART NO. DESCRIPTION
49 645 027 2134 BATT TERMINAL SPRING(+-)
645 071 1114 INSTRUCTION MANUAL
645 070 9296 POLY BAG,POWER CORD
645 066 6063 POLY BAG,I/B
645 035 1334 POLY BAG PE 18 X 24,UNIT
645 066 2324 POLY FOAM
645 055 7804 POLY FOAM
645 073 8890 GIFT BOX
645 069 6534 POWER CORD,VDE
645 073 7862 REMOTR CONTROL
FOR CASS DOOR GEAR
50 645 073 8654 BATTERY DOOR
56 645 069 6893 CD DECK MECHANISM
70 645 073 8869 SPEAKER GRILL LEFT
71 645 073 8876 SPEAKER GRILL RIGHT
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
Y01 645 027 1168 SCR 3X8
Y02 645 027 1168 SCR 3X8
Y03 645 023 6617 SCREW ST 3X10
Y04 645 073 8265 SCREW 2.6X8
Y05 645 061 9977 SCR 2.6X6
Y06 645 033 0247 SCR 2.6X8
Y07 645 033 1527 SCR 2.6X6
Y08 645 023 6594 SCREW ST 3X8
Y09 645 023 6624 SCREW ST 3X10
Y10 645 027 1168 SCR 3X8
Y11 645 033 4276 SCR 2X6
Y12 645 023 6594 SCREW ST 3X8
Y13 645 023 6594 SCREW ST 3X8
Y14 645 023 6662 SCREW 2X4
Y15 645 033 4269 SCR 2X6
Y16 645 027 1182 SCR 3X20
Y17 645 027 1144 SCR 2.8X12
Y18 645 023 6594 SCREW ST 3X8
Y19 645 023 6617 SCREW ST 3X10
Y20 645 027 3841 SCR 3X2.5
Y21 645 061 9984 SCR 3X8
ELECTRICAL-PARTS
REF.NO. PART NO. DESCRIPTION
61 645 042 3307 SPK 4
62 645 055 1161 FFC CABLE 16PINS,
63 645 064 1015 LEAF SW
64
65 645 032 9760 AC SOCKET S-1-1225,VDE
66 645 054 0639 FUSE GLASS TUBE,FS1101
67 645 041 9928 ROD ANTENNA
68 645 073 8609 BACKLIGHT PAPER
69 645 073 8173 LCD DISPLAY,DSP701
!!
!
645 041 9881 PWR TRANS
645 027 1328 SOLDERING SLUG
645 073 8258 FFC CABLE 18P,
645 073 8210 3P HSG,
645 073 8227 4P HSG,AUDIO CN302 TO SPEAKER
645 061 9946 1P HSG,FM ANT
645 073 8234 4P HSG,
645 073 8241 2P HSG,
645 033 3606 FERRITE BEAD,
645 055 7095 FERRITE BEAD,
CD BD CN901 TO CD DECK
AUDIO BD CN701 TO CD BD
AUDIO CN303 TO CASS DECK
REC. CN201 TO CASS DECK
CD CN902 TO CD DOOR LEAF
CD CN904 TO AUDIO CN901
POWER OUT PUT WIRE
REF.NO. PART NO. DESCRIPTION
645 073 8326 CHOKE COIL 100UH,
FOR CASS DECK MOTOR+
CONTROLR P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
81 614 332 6182 ASSY,PWB,CONTROL(Only initial)
CN701 645 069 6695 HEADER FFC 18P
DSP701 645 073 8173 LCD DISPLAY
LED701 645 073 8197 LED ROUD
REM701 645 033 3477 DIODE RPM-6938-V4
SW701 645 042 0023 SW TACT,FILE SW702 645 042 0023 SW TACT,FILE+
SW703 645 042 0023 SW TACT,MEMORY
SW704 645 042 0023 SW TACT,REPEAT
SW705 645 042 0023 SW TACT,STOP
SW706 645 042 0023 SW TACT,PLAY
SW707 645 042 0023 SW TACT,FOLDERSW708 645 042 0023 SW TACT,FOLDER+
W104 645 073 8272 2P HSG,CN702 TO AUDIO CN304
645 062 0010 BUFFER FOR FFC CABLE,
FOR FFC CABLE
645 073 8814 DISPLAY BRACKET PLATE
645 073 8609 BACKLIGHT PAPER
645 073 8845 LCD BACKLIGHT
645 073 7831 ASSY LCD BRACKET
645 073 8821 LCD BRACKET
645 073 8838 FLODER KNOB
TUNER P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
82 614 332 6175 ASSY,PWB,TUNER(Only initial)
BPF101 645 051 6467 BAND PASS FILTER
C0109 645 061 9885 POLY CAP 150PF
C0142 645 073 8036 POLYESTER 0.012U 100V
C0143 645 073 8036 POLYESTER 0.012U 100V
CF101 645 062 0768 CERAMIC FILTER
CF102 645 062 0768 CERAMIC FILTER
CF103 645 044 6955 CERAMIC FILTER
CN101 645 054 0660 5P HEADER
D0101 645 023 6099 DIODE 1N-4148
D0102 645 023 6099 DIODE 1N-4148
D0103 645 033 3842 DIODE FV1043
D0107 645 023 6099 DIODE 1N-4148
D0108 645 023 6099 DIODE 1N-4148
DZ101 645 023 6105 ZENER DIODE
IC101 645 041 9973 IC LA1824
L0101 645 023 6297 VHF COIL
L0102 645 032 9944 FTZ COIL
PVC101 645 026 6676 PVC
Q0101 645 027 3797 TR 9018H
Q0103 645 023 6129 TR 9014C
Q0104 645 023 6129 TR 9014C
SW101 645 042 0047 SW SLIDE SS22E01G6,BAND
SW102 645 024 1048 SW SLIDE SK22F03G6,
BEAT CANCEL
T0101 645 026 6669 AM OSC,OSC 1010
T0102 645 027 0437 FM IFT,IF 0070
T0103 645 033 3866 AM COIL,IF 2070
T0104 645 027 0444 FM IFT,IF 0380
645 042 0344 CONTACT PIN,FM ANT
645 073 7824 ASSY BAR ANT
MAIN P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
83 614 332 6168 ASSY,PWB,MAIN(Only initial)
C0309 645 073 8067 POLYESTER 0.15U 100V
C0310 645 073 8067 POLYESTER 0.15U 100V
C0320 645 034 9881 MYLAR CAP 0.047 UF/1
C0323 645 034 9881 MYLAR CAP 0.047 UF/1
C0324 645 034 9768 ELECT CAP 1000 UF/25
CN302 645 027 0611 WAFER 4P
CN303 645 033 3682 HEADER 3PINS
CN304 645 051 6511 2P HEADER
REF.NO. PART NO. DESCRIPTION
CN305 645 054 0684 9P HEADER
D0211 645 023 6099 DIODE 1N-4148
D0301 645 023 6112 RECTIFIER 1N-4001
D0302 645 023 6112 RECTIFIER 1N-4001
D0303 645 023 6099 DIODE 1N-4148
D0305 645 023 6099 DIODE 1N-4148
D0306 645 023 6099 DIODE 1N-4148
D0311 645 023 6099 DIODE 1N-4148
D0312 645 023 6099 DIODE 1N-4148
D0401 645 023 6099 DIODE 1N-4148
D0402 645 023 6099 DIODE 1N-4148
D0921 645 023 6099 DIODE 1N-4148
IC301 645 032 9920 IC LA-4227
IC401 645 061 9908 IC TC4052BP
JK303 645 071 9844 STEREOPHONE JACK
L0301 645 062 0850 FERRITE BEAD
L0302 645 062 0850 FERRITE BEAD
L0303 645 062 0850 FERRITE BEAD
L0309 645 042 0108 CHOKE COIL 26UH
Q0220 645 023 6129 TR 9014C
Q0221 645 023 6129 TR 9014C
Q0301 645 023 6129 TR 9014C
Q0302 645 023 6129 TR 9014C
Q0311 645 027 0420 TR 8050C
Q0312 645 027 0420 TR 8050C
Q0903 645 027 0420 TR 8050C
Q0904 645 023 6129 TR 9014C
Q0921 645 023 6129 TR 9014C
Q0922 645 032 9890 TR KTC-9015C
SW301 645 042 0054 SW SLIDE,FUNCTION
SW302 645 042 0030 SW PUSH,BASS
VR301 645 073 8180 SHAFT VOLUME 50K
W101 645 073 8289 4P HSG,CN301 TO RECTI. CN1101
W102 645 073 8296 5P HSG,CN202 TO TUNER CN101
W103 645 073 8319 9P HSG,CN901 TO CD CN904
ZD901 645 073 8135 ZENER 3V
ZD902 645 044 6924 ZENER DIODE 3.9V
ZD903 645 055 6838 ZENER 5.6V
645 042 0337 HEAT SINK,FOR IC 301
RECORDING P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
84 614 332 6212 ASSY,PWB,RECORDING(Only initial)
C0201 645 073 8005 POLYESTER 0.0022U 100V
C0202 645 073 7992 POLYESTER 0.001U 100V
C0208 645 073 8005 POLYESTER 0.0022U 100V
C0209 645 073 8005 POLYESTER 0.0022U 100V
C0210 645 073 8050 POLYESTER 0.033U 100V
C0211 645 073 8005 POLYESTER 0.0022U 100V
C0212 645 073 7992 POLYESTER 0.001U 100V
C0213 645 073 8050 POLYESTER 0.033U 100V
C0215 645 073 8128 ELECT 1000U 25V
C0803 645 073 8012 POLYESTER 0.0033U 100V
C0804 645 073 8043 POLYESTER 0.022U 100V
C0806 645 073 8029 POLYESTER 0.01U 100V
IC201 645 032 9906 IC BA3308
Q0201 645 072 3162 TRANSISTOR 9014C
Q0202 645 072 3162 TRANSISTOR 9014C
Q0203 645 072 3162 TRANSISTOR 9014C
Q0801 645 072 3162 TRANSISTOR 9014C
Q0802 645 027 0420 TR 8050C
SW201 645 023 6327 SW RECORDING PS62D01-S
T0801 645 027 0307 BIAS COIL,AC BIAS 3630
CD P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
85 614 332 6205 ASSY,PWB,CD(Only initial)
CN901 645 055 7163 16P FFC HEADER
CN902 645 051 6511 2P HEADER
CN903 645 072 2301 FFC HEADER 18P
CN904 645 054 0684 9P HEADER
D0901 645 073 8562 DIODE 1N4148
IC901 645 054 0585 IC TA2153FN
- 7 -- 6 -

1
234
5
678910 11 12
24
23 22 21
20
19 18 17
16
15 14 13
FM
RF
AM
RF
AM
MIX
FM
MIX
FM
OSC
AM
OSCREG Vcc1
Vcc2GND2
GND1
DECODER
PHASE
COMP
PILOT
DET
TRIG ST-SW VCO
DET
DET
AM-IF
S-METER
FM-IF
AGC
FF FF FF
ST
LED
TUN
LED
PARTS LIST
IC BLOCK DIAGRAM & DESCRIPTION
REF.NO. PART NO. DESCRIPTION
IC902 645 044 3022 IC MM1469XH
IC903 645 073 8159 IC TC94A09F-003
IC905 645 073 8166 IC IS63LV1024L-10T
IC906 645 073 8142 IC TC94A02F-007
L0901 645 069 6886 INDUCTOR 2.7UH
L0902 645 042 0108 CHOKE COIL 26UH
L0903 645 073 8586 INDUCTOR 0.82UH
Q0901 645 073 8579 TRANSISTOR 2SA812
Q0902 645 033 3514 TR 2SB764D
SW901 645 069 6657 LEAF SWITCH
X0901 645 073 8203 CRYSTAL 16.9344MHZ
X0902 645 073 8203 CRYSTAL 16.9344MHZ
POWER P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
86 614 332 6199 ASSY,PWB,POWER(Only initial)
C1105 645 034 9782 ELECT CAP 3300 UF/25
CN1101 645 027 0611 WAFER 4P
D1101 645 023 6112 RECTIFIER 1N-4001
D1102 645 023 6112 RECTIFIER 1N-4001
D1103 645 023 6112 RECTIFIER 1N-4001
D1104 645 023 6112 RECTIFIER 1N-4001
DZ401 645 033 3859 ZENER 8.2V
FS1101 645 054 0639 FUSE GLASS TUBE
Q0401 645 033 3507 TR 2SD2061E
W105 645 073 8302 9P HSG,
RECORDING CN202 TO AUDIO
645 035 0511 FUSE HOLDER MW1010K,
FOR FS1101
645 027 1298 EYELET,AC1
645 042 0320 HEAT SINK,FOR Q401
645 027 1298 EYELET,AC2
645 027 1298 EYELET,ACSW1
645 027 1298 EYELET,BATT+
645 027 1298 EYELET,BATT-
CASS DECK MECHANISM CHASSIS
REF.NO. PART NO. DESCRIPTION
57 645 072 1762 CASS DECK MECHANISM
645 069 6442 MOTOR ASSY
645 069 6473 PINCH ROLLER ASSY
645 058 9553 RF BELT
645 069 6626 MAIN BELT
645 030 6839 E HEAD
645 018 0637 R/P HEAD
IC902 MM1469XH (CD Driver) IC101 LA1824 (Tuner)
28 27 26 25 24 23 22 21 20 19 18 17 16 15
Vcc
Level shift
T.S . D
Level shift
1234567 891011121314
Vcc
D.BU FD.BU FD.BU FD.BU F
Level shift
DRIVER MUTE
Level shift
D.BU FD.BU FD.BU FD.BU F
IC901 TA2153 (RF AMP)
36pF
16
FEO
FEN
SEB
15pF
3pF
3pF
3 STATE
DET.
SW2
SW3
40pF
40pF
10pF
17
18
19VRO
20RFRP
21BTC
22RFCT
23PKC
24RFRPIN
25RFGO
26GVSW
27AGCIN
AGC Amp.
28RFO
29GND
30RFN2
BOTTOM
PEAK
15pF
15
SBAD
14
TEO
10pF
13
TEN
12 2VRO
11 TEB
SW1
10 SEL
9 LDO
8 MDI
7 TNI
I-I
6 TPI
I-I
5 FPI
4 FNI
3 GMAD
2 RFGC
1 Vcc
- 9 -- 8 -